Circle Geometry Concepts

The video tutorial introduces students to terms related to circles, such as center, chord, diameter, radius, circumference, and arc. It explains each term with examples and provides a recap. An activity is included to help students identify these terms in a given figure.

Which of the following is an example of a circular object?

• A rectangular book

• A triangular sign

• A clock

• A square table

What is the term for the fixed point from which all points on a circle are equidistant?

• Circumference

• Radius

• Diameter

• Center

What do you call a line segment whose endpoints lie on the circle?

• Arc

• Diameter

• Radius

• Chord

Which line segment passes through the center of the circle?

• Radius

• Arc

• Chord

• Diameter

What is half of the diameter called?

• Radius

• Chord

• Arc

• Circumference

What is the term for the distance around the circle?

• Arc

• Diameter

• Circumference

• Radius

What is a portion of the circumference called?

• Arc

• Radius

• Chord

• Diameter

In the activity, what is the term for point A located at the center of the circle?

• Radius

• Chord

• Center

• Arc

In the activity, what is the term for line segment FT that does not pass through the center?

• Radius

• Chord

• Diameter

• Arc

In the activity, what is the term for line segment CE that passes through the center?

• Arc

• Diameter

• Chord

• Radius